NULL pointer dereference in Libtiff

CVE-2022-0562

Null source pointer passed as an argument to memcpy() function within TIFFReadDirectory() in tif_dirread.c in libtiff versions from 4.0 to 4.3.0 could lead to Denial of Service via crafted TIFF file. For users that compile libtiff from sources, a fix is available with commit 561599c.

EPSS: 0.013 (66.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-0562?
CVE-2022-0562 is a medium-severity vulnerability in Libtiff, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2022-02-11.
How severe is CVE-2022-0562?
Medium severity. CVSS v3 base score is 5.5 out of 10.